Anne and her friends begin their second year at Hogwarts unaware of the impending danger looming through the school. A mysterious dark force known as the Heir of Slytherin has opened the Chamber of Secrets unleashing a monster who petrifies people into frozen states. No one know who it is. Could be someone within Slytherin like Draco Malfoy, or possibly Harry himself, who discovers that he possessed the ability to talk to snakes? Can Anne and her friends find and stop the Heir before it is too late?